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← HistoryWhich consequence arises when the controlled atmosphere during crucible steel production in medieval Persia is compromised by oxygen ingress?
A)Increased carbon nanotube formation
B)Segregation of carbides lessened
C)Ingot cracking during cooling
D)Formation of brittle iron oxides✓
💡 Explanation
Formation of unwanted brittle oxides on the steel occurs because dissolved oxygen within the steel matrix reacts with iron. The oxidation reaction consumes iron rather than allowing fine carbide precipitate creation, therefore generating embrittlement because it disrupts the final product.
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